RE: Re[2]: What is the point to use "alter database rename file"

Just curious - when you create new control files, where does the current SCN
# come from - all of the file headers? If all of the SCN's are the same in
all of the file headers, is this then stored in the control file which would
allow for use of older archive log files? Is the software *really* that
smart?

To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
cc:
Subject: Re[2]: What is the point to use "alter database

rename file"

One other point, when recreating the control file you many times have to
do a
resetlogs at the end which invalidates all of your previous backups. I
for one
hate to loose any avenue to a recovery if needed. Actually I hate
anything that
forces me to rebuild the control file(s), you can loose too much history
that
way. Now I will admit it would be one great enhancement to the command if
the
kernel would then move the datafile for you. Of course it would be good
if drop
tablespace also cleaned up after itself, but then that's a 9i feature,
only if
you have a storage vendor who supports Oracle's OMF API.

well, I can think of one off the top of my head -- your way the
database has to be shutdown.

using alter database rename file you can just take the tablespace that
owns that datafile offline and do the work. All users who don't need
that particular tablespace are not affected.

Jalil Zabourdine <jalilza_at_yahoo.com> wrote:
> > Hi list,> What is the point to use "alter database rename file"> command to move datafile? as we will need to update > controle file anyway. So why not do the following directly > to move datafile:> - alter database backup contrlfile to trace and modify > the location of datafile.> - startup nomount and run the script inorder to update > the controlfile. It works fine...> > So what is the point of "alter database rename file" command?> > Thanks in advance.> Regards,> -Jalil> > > > ---------------------------------> Do You Yahoo!?> New! SBC Yahoo! Dial - 1st Month Free & unlimited access

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